Signal indicator for educational use



FIG. 1 is a perspective view of the signal indicator for educational use showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof the left side being a mirror image of that shown;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a signal indicator for educational use, as shown. 